Question

how are the human actions polluting the oceans at present (5to6) sentenses

Answer 1

Oceans square measure the most important water bodies on the world Earth. Over the previous few decades, surplus human activities have severely affected the marine life on the Earth’s oceans. Ocean pollution, additionally called marine pollution

• Pollution will enter the ocean directly. Waste material or polluting substances flow through waste material, rivers, or drainage's directly into the ocean.
• Industrial and agricultural waste square measure another commonest sort of wastes that square measure directly discharged into the oceans, leading to ocean pollution.
• Land runoff is another supply of pollution within the ocean. This happens once water infiltrates the soil to its most extent and therefore the excess water from rain, flooding or melting flows over the land and into the ocean.  
• Ship pollution may be an immense supply of ocean pollution, the foremost devastating impact of that is oil spills.  
• Ocean mining sites drilling for silver, gold, copper, atomic number 27 and metal produce chemical compound deposits up to a few or a thousand meters down in to the ocean.